Water and gas controller for water-heaters.



E. T. BETKER. WATER AND GAS CONTROLLER FOR WATER HEATERS.

APPLICATION FILED 11.22, 1011.

1, 1 O8, 82 1 Patented Aug. 25, 1914.

l lll-IAL lT-IEATER lvlIlSlS U EDWARD T. isnrxnia, or KANSAS orrr' COMPANY, on Kansas or. 1.

"WATER AND GAS till N'Tl'ttlllhlilitt .lEUld WilllIlill-t-il-llllATERS.

1,108,321. flriwifiwticn Letters Ifatmrt .tatented A n :25, 1914i Application filed April 532, 1911. Serial No. 6253,804t

To ullwliom itmag un corn: forms a valve seat, andf agid m i l d lie it known that l, Lllowam) 'l. lln'rvzi-in, a by a not 1.8 to a g: s simply pipe l l) tor concitizen of the United States, residing at neotion with the gas service pipe, not shown. Kansas City, in the county of. laclosoa and The arm. 1? :lso provided with an. orifice State of Missouri, have invented certain new irough which gas may pas: tor pilot 6;- and useful Improvements in lV-ater and this plHfpUSQF-l, but as the pilot lighting Controllers for lVater-Ileaters, of which the "in l'orms no new or essential tea it'ollowing is aspecjilication. tore oi the controller, it is omitted from the This invention relates to automatic gas tllitl'\i.l1,. and water controllers for water heaters and .iirrangcd reciprimally in the casing l is a has for its object to produce a device of this piston 21 having a stem 32 extending: slldcharacter which operates el'lieiently and reingly through head ll, and the pachiiug; nut liably and can be inaiiulactured and in- 23, secured to said head. A t its rear end stalled cheaply, andwhich lurthermore, emthe stem fastened as shown, by a nut 24 to bodies the desirable features of sin'lplicity a slide valve EZSfittingg with a gas-tight relaand durability. H tiou in. casing 15, said valve when the piston With these objects in view the invention is witlnlruwn to cut oil the passage oi. water consists in certain novel and peculiar :teato port 10, being seated u 1:1: said valve seat tures of construction and organization as to cut oil. the supply of gas to the chamber hereinafter described and claimed; and in of the casing l5, and its tubular arm .ltif order that it may be fully understood reiter- Spring 7 occupyin socket thexerts a yield ence is to behad to the accompanying drawing pressure upon the three of valve 2i. and ing, in whichtends to hold the sameand the gas valve in l igure 1, is a central vertical longitudinal the closed position lust referred to, and cm section of a controller embodying Iny invenoperating with said spring in performing the tion. Fig. 2, is a vertical section on the function named, is a spring 26 hearing at line I.[-II of Fig. 1. its front eiul against packing not and at In thesaid drawings, 1 is a pipe for conits rear end a gaiiist nut 2 nleetion with a water service pipe, not shown, The tubular arm 16 of the gas casing cornand 2 is a coupling nut clamping said pipe munieates with the tubular arm E l ot a firmly upon and in communication with a needle valve casing and said casing is tubular arm 3 01' a cylindrical. easing 4.. The prcwided at opprsite sides and in alinenient casing 41 is provided at one end with a head with pipe 1.3, with :tm-wardly a11d"rearwmrdly 5 having a socket 6, containing anoxpanisivc pro j ecting tnlnihn' arms 29 and 30, the latter helical spring 7 arranged longitudinally 01 carrying a packing nut ill to term a gas the casing. Adjacent to said head, the tflght joint with the valve 32 extending; chamber of the casing is diametrically e11 tln'oug'h the casing and arms 29 and 2-30 larged as at 8, and communicating at one thereof, and bearing a threaded relation end with said enlargement is a narrow el1anwith the casing adjacent to the last-iumied nel 9 formed in the interior lace ofthe casarm. Secured on the rear end of the valve ing, the opposite end of said channel coinfor the purpose of adjusting thesaruc to niunicating with the outlet port 10, leading open or closed position, is a handle 33, and into a hollow arm 11 of the casing, and said secured to the arm 2!) is a cap 34 prclivided at arm. is connected by a coupling nut 12, to the its front end with an orifice 3E, controlled by short pipe 13 adapted for connection with a the front or tapered end 36 oil? the valve, coil, not shown, throiiigh which water is said end. being adapted to enter said orifice adapted to circulate, the coil being oi any and cut oil the passage of gas therethrough. well known type. l Vhen it is desired to heat water quickly,

14 indicates a detachable head secured in the water is turned on and enters the cha1nthe opposite end of the casing from head 5, her of the cylindrical casing l between the 195 and in the adjacent end of the alinedcasinp; head l t and valve 21, and, overcoming the 15, provided with an upwardly projecting resistance of springs 7 and 26, forces the tubular arm 16. The opposite end of the piston forward, the water standing in the casing 15 is diametrically reduced to COl'lSlJlcylinder ahead oil. the piston being free to tote a tubular arm 17 of which one end pass from chamber 8 through channel 9 to cause the same to port 10, chamber 8 and channel 9 therefore guarding against water ahead of the piston olfering any resistance to the free forward movement of the same. As the piston exposes port 10, the water passes up through said port, arm 11 and pipe 13, and circulates through the coil in the customary manner. The forward movement of the piston effects the unseating of the valve 25 and permits gas to pass from the service pipe through pipe 19 and tubular arm 17, into the rear end of casing 15, and thence through arm 16 into the needle valve casing 18. The operator then opens valve 82 if such adjustment has not previously been effected, and ignites the gas which will instantly escape through orifice 35, unless such gas is ignited by the pilot light, which will of course occur if the latter is in operation. Under ordinary conditions valve will stand normally open and if in such position it will be seen that the controller operates automatically when the water is turned on. The flame impinges upon the pipe 13, and may also impinge upon the coil so that the water shall be heated very quickly. W hen sufiicient hot water is obtained the supply of cold water is cut off and as a result the springs instantly efl'ect backward movement of the piston 21 and close communication be tween the supply and outlet port 10, the valve 25 at the same time engaging its seat and cutting off the supply of gas from arm 17, and said parts will remain in the closed positions mentioned until the water is again turned on, it being noted that water from the coil will back down into the casing i ahead of the piston and be again forced out of port 10 when the next advance occurs.

From the above description it will be apparent that I have produced a gas and water controller for water heaters embodying l the features of advantage enumerated, and while I have illustrated and described the preferred embodiment of the invention I wish it to be understood that I do not desire to be restricted to the exact details of construction shown and described, as obvious modifications will suggest themselves to one skilled in the art.

I claim:

In an automatic gas and water controller for water heaters, a water-supply casing having inlet and outlet openings located out of alinement and a reduced hollow extension at one end of the casing, said outlet opening being located, nearer than the inlet opening to said extension, a piston operat ing within the casing and adapted to reciprocate across said outlet opening, said casing being provided with an interior wa ter channel leading around said piston from the outlet opening to the extension to permit water to flow toward and from the extension during the movements of the piston, a springseated in said extension and adapted to react against'said piston, a plug fitted in the other end of said casing, a gassupply casing fitted on said plug and having gas inlet and outlet ports, a slide valve within said gas-supply casing for controlling said inlet port, a piston-rod operating through said plug and connecting said valve and piston, and a spring coiled about said rod between said plug and valve and cooperating with said first-named spring in maintaining the piston and valve normally in position to close said outlet opening and inlet port respectively.

In testimony whereof I afiix my signature, in the presence of two witnesses.

' EDVARD TL BETKER.

"Witnesses HELEN C. RODGERS, G. Y. THoRrn.

Copies of this patent may be obtained for five e ents each, by addressing the Commissioner of Patents. Washington- 11. or 

